package com.xxx.ads;

/**
 * @version v1.0
 * @Description
 * @Author admin
 * @date 2021/7/14  14:07
 * @Copyright
 */
public class Triangle extends Shape{

    @Override//注解，一种标识
    public double area() {
        return 0;
    }

    @Override
    public double perimeter() {
        return 0;
    }
}
